Condense the logarithm

Expanding Logarithms Calculator online with solution and steps. Detailed step by step solutions to your Expanding Logarithms problems with our math solver and online calculator. 👉 Try now NerdPal! Our new math app on iOS and Android. ... Condensing Logarithms Calculator.

Q: Condense the expression to the logarithm of a single quantity. 4 log (x) log4(y) - 3 log4(z) A: Given query is to compress the logarithmic expression. Q: Evaluate the expression without using a calculator.For the following exercises, use the properties of logarithms to expand each logarithm as much as possible. Rewrite each expression as a sum, difference, or product of logs. 15. log( z19x1319) 16. ln(b−40a−2) 17. log( x3y−4) 18. ln(y 1−yy) For the following exercises, condense each expression to a single logarithm using the properties ...Rules of Logarithms. Study the description of each rule to get an intuitive understanding of it which you will find useful in expanding logarithms. Descriptions of Logarithm Rules. Rule1: Product Rule. The logarithm of the product of numbers is the sum of the logarithms of individual numbers. Rule 2: Quotient Rule.Question: Condense the expression to a single logarithm using the properties of logarithms. log (x) - į log (y) + 4 log (2) Enclose arguments of functions in parentheses and include a multiplication sign between terms. For example, c * log (h). There's just one step to solve this.College Algebra. Algebra. ISBN: 9781938168383. Author: Jay Abramson. Publisher: OpenStax. Solution for Condense the expression to the logarithm of a single quantity. 3 ln (x + 2) − 8 ln (x + 3) − 5 ln x.

Condense the expression to the logarithm of a single quantity. {eq}\log(x) - 2 \log(y) + 3 \log(z) {/eq} Simplifying Logarithmic Expressions. Logarithmic expressions may be simplified into smaller expressions or expanded to longer expressions by using the different properties of logarithms. The equations below show the different properties of ...Fully condense the following logarithmic expression into a single logarithm. 10ln(x)+10ln(y)−2ln(z)= 因戓 This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts.Condense the expression to the logarithm of a single quantity. 21[8ln(x+4)+ln(x)−ln(x8−2)] This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts.We can use the logarithmic property, logb (a) + logb (c) =logb (ac), where b is the base, to solve this prob …. View the full answer. Previous question Next question. Transcribed image text: Condense the expression to a single logarithm with a leading coefficient of 1 using the properties of logarithms. log (5x4) + log (8x5) Additional ...Question: Condense the logarithm rlogd+logg. Condense the logarithm rlogd+logg. There's just one step to solve this. Who are the experts? Experts have been vetted by Chegg as specialists in this subject. Expert-verified. Step 1.Question: Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. 4 In x - Iny OA) in x4 OB) in C) In D) inxty. Here's the best way to solve it.Expanding and Condensing Logarithms quiz for 9th grade students. Find other quizzes for Mathematics and more on Quizizz for free!Question: Condense the expression to a single logarithm using the properties of logarithms. log (x)−21log (y)+4log (z) Enclose arguments of functions in parentheses and include a multiplication sign between terms. example, c∗log (h). log (x)−21log (y)+4log (z)=. There are 2 steps to solve this one.

Condense logarithmic expressions. We can use the rules of logarithms we just learned to condense sums, differences, and products with the same base as a single logarithm. It is important to remember that the logarithms must have the same base to be combined. We will learn later how to change the base of any logarithm before condensing.Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. (21n (x + 3)-In x-ln(X-36)] 1[2 ln (x + 3)-In x-In (x2-36)- 512I(k+3)-Inx-In (36)0 (Type an exact answer, using radicals as needed. Type your answer in factored ...Condense the expression to a single logarithm with a leading coefficient of 1 using the properties of log log, 109.(0) 6 109,- logt X Recall that the product rule of logarithms in reverse can be used to combine the sums of logaritma (will Write as a single logarithm: 6 log,(*) - 109,5() + 5 10g; ( ) - log, (y) + 5 Rewrite the expression as an ...Question: Condense the expression to a single logarithm with a leading coefficient of 1 using the properties of logarithms. log, (a) log, (b) 6 log, (c) + 5 log; cba X Recall that the product rule of logarithms in reverse can be used to combine the sums of logarithms (with a leading coefficien Additional Materials eBook The Properties of Logarithms Example … Condense logarithmic expressions. We can use the rules of logarithms we just learned to condense sums, differences, and products with the same base as a single logarithm. It is important to remember that the logarithms must have the same base to be combined. We will learn later how to change the base of any logarithm before condensing.

Darke county ohio juvenile court.

Question: Condense the expression to a single logarithm with a leading coefficient of 1 using the properties of logarithms. log5 (a) 3 3 log5 (c) + Submit Answer + log5 (b) 3. There are 2 steps to solve this one.Question content area top. Part 1. Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. log x plus log left parenthesis x squared minus 3 6 right parenthesis minus log 9 minus log left parenthesis x plus ...Condense the expression to the logarithm of a single quantity. 4 [ 2 l n ( x) - l n ( x + 3) - l n ( x - 3)] There are 4 steps to solve this one. Powered by Chegg AI.Rewrite \(4\ln(x)\) using the power rule for logs to a single logarithm with a leading coefficient of \(1\). Solution. Because the logarithm of a power is the product of the exponent times the logarithm of the base, it follows that the product of a number and a logarithm can be written as a power.

Oct 27, 2020 ... Try YouTube Kids · Carolee Pederson · Sequences : Percentage Increase and Decrease · Condensing logarithmic expressions · Voronoi Diagr...165 Condense logarithmic expressions We can use the rules of logarithms we just learned to condense sums, differences, and products with the same base as a single logarithm. It is important to remember that the logarithms must have the same base to be combined. We will learn later how to change the base of any logarithm before condensing.Precalculus. Jay Abramson 1st Edition. Chapter 4. Section 8. VIDEO ANSWER: To condense these to a single logarithm, we recall the following properties or rules in logarithm. That is, if we have a times ln of m, this is the same as ln of m raised to the power of a. If we have.Where is tornado alley and why do so many tornadoes form there? Advertisement There are few sights in nature more terrifying than a powerful tornado. These violently rotating colum...Condense the expression to the logarithm of a single quantity. 4 [ 2 l n ( x) - l n ( x + 3) - l n ( x - 3)] There are 4 steps to solve this one. Powered by Chegg AI.Oct 29, 2013 ... Condensing logarithms Using the logarithm Properties.Similar Problems Solved. Learn how to solve condensing logarithms problems step by step online. Condense the logarithmic expression 2log (x)+log (11). Apply the formula: a\log_ {b}\left (x\right)=\log_ {b}\left (x^a\right), where a=2 and b=10. The sum of two logarithms of the same base is equal to the logarithm of the product of the arguments.Depends how far you want to take things but as a single logarithm it becomes ln((x^3(x-1))/(x+1))^2 Multiples of logarithms become powers: 2(3ln(x)-ln(x+1)-ln(x-1)) 2(ln(x^3)-ln(x+1)-ln(x-1)) Subtracting logarithms is equivalent to dividing their arguments: 2(ln((x^3)/(x+1))-ln(x-1)) Now divide again: 2ln(x^3/((x+1)(x-1))) Tidy this up to give: 2ln((x^3)/(x^2-1)) You can apply the power law ...Learn how to solve condensing logarithms problems step by step online. Condense the logarithmic expression 8log (b)+ylog (k). Apply the formula: a\log_ {b}\left (x\right)=\log_ {b}\left (x^a\right), where a=y, b=10 and x=k. The sum of two logarithms of the same base is equal to the logarithm of the product of the arguments.Condense the expression to the logarithm of a single quantity. log_2 9 + log_2 x; Condense the expression to the logarithm of a single quantity. \ln3+ \frac{1}{3}\ln(4-x^2)-\ln x; Condense the expression to the logarithm of a single quantity. 1 / 4 log_3 5 x; Condense the expression to the logarithm of a single quantity. ln(x)-(1/4) ln(y ...Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. 5 ln (x-2)-9 ln x A. ln (5(x-2))/9x B. ln 45x(x-2) C. ln ((x-2)^5)/x^9 D. ln x^9(x-2)^5

Algebra. Simplify/Condense 2 log of x+ log of 11. 2log(x) + log(11) 2 log ( x) + log ( 11) Simplify 2log(x) 2 log ( x) by moving 2 2 inside the logarithm. log(x2)+log(11) log ( x 2) + log ( 11) Use the product property of logarithms, logb(x)+ logb(y) = logb(xy) log b ( x) + log b ( y) = log b ( x y). log(x2 ⋅11) log ( x 2 ⋅ 11)

Question: Condense the expression to a single logarithm. Write fractional exponents as radicals. Assume that all variables represent positive numbers.3ln (x)+8ln (y)-7ln (z) Condense the expression to a single logarithm. Write fractional exponents as radicals. Assume that all variables represent positive numbers. There are 2 steps to solve this ...The properties of logarithms, also known as the laws of logarithms, are useful as they allow us to expand, condense, or solve equations that contain logarithmic expressions. Here, we will learn about the properties and laws of logarithms. We will learn how to derive these properties using the laws of exponents.6. Use properties of logarithms to condense the logarithmic expression below. write the expression as a single logarithm whose coefficient is 1. where possible, evaluate logarithmic expressions. 2In x-4Iny 2 ln x-4 In y=Question: Condense the expression to a single logarithm. Write fractional exponents as radicals. Assume that all variables represent positive numbers.3ln (x)+8ln (y)-7ln (z) Condense the expression to a single logarithm. Write fractional exponents as radicals. Assume that all variables represent positive numbers. There are 2 steps to solve this ...We need to condense the expression to the logarithm of a single quantity. Step 2. 2 of 6. But first, remember the Rules/Properties of Logarithm: Step 3. 3 of 6. Simplify one part of the expression using the Power Property and then the Product Property: \begin {align*}4 [\ln z+\ln (z+5)]&=4\ln z+4\ln (z+5)\\ &=\ln z^4+\ln (z+5)^4\\ &=\ln z^4 (z+ ...Sep 14, 2022 · For example, 100 = 102 √3 = 31 2 1 e = e − 1. The Power Rule for Logarithms. The power rule for logarithms can be used to simplify the logarithm of a power by rewriting it as the product of the exponent times the logarithm of the base. logb(Mn) = nlogbM. Note that since Mn is a single term that logb(Mn) = logbMn. Expand logarithms using the product, quotient, and power rule for logarithms. Combine logarithms into a single logarithm with coefficient 1. Logarithms and Their Inverse Properties. Recall the definition of the base- b logarithm: given b > 0 where b ≠ 1, y = logbx if and only if x = by.Condense logarithmic expressions. Use the change-of-base formula for logarithms. Figure 1 The pH of hydrochloric acid is tested with litmus paper. (credit: David Berardan) In chemistry, pH is used as a measure of the acidity or alkalinity of a substance. The pH scale runs from 0 to 14. Substances with a pH less than 7 are considered acidic, and ... Condensing Logarithms Calculator online with solution and steps. Detailed step by step solutions to your Condensing Logarithms problems with our math solver and online calculator. Free Log Condense Calculator - condense log expressions rule step-by-step

Danville lowes.

Life below zero sue aikens.

Condense the expression to a single logarithm with a leading coefficient of 1 using the properties of logarithms. log7(b) 3 log (c) + log,(a) 4 4 Show transcribed image text There are 3 steps to solve this one.We can use the rules of logarithms we just learned to condense sums, differences, and products with the same base as a single logarithm. It is important to remember that the logarithms must have the same base to be combined. ... Rewrite sums of logarithms as the logarithm of a product. Apply the quotient property last. Rewrite differences of ...Algebra questions and answers. Condense each expression to a single logarithm. log 3 -log 8 log 6/3 4log 3 - 4log 8 log 2 + log 11 + log 7 log 7 - 2log 12 2log 7/3 6log_2 u - 6log_2 v ln x - 4ln y log_4 u - 6log_4 v log_2 u - 5log_2 v 20log_6 u + 5log_6 v 4log_3 u - 20log_3 v Critical thinking questions: 2 (log 2x - log y) - (log 3 - 2log 5 ...Learn how to condense logarithmic expressions using log rules and the Log-Cancelling Rule. See how to combine separate log terms with the Product Rule, Quotient Rule, Power Rule and Log-Cancelling Rule.Oct 6, 2021 · The product property of the logarithm allows us to write a product as a sum: logb(xy) = logbx + logby. The quotient property of the logarithm allows us to write a quotient as a difference: logb(x y) = logbx − logby. The power property of the logarithm allows us to write exponents as coefficients: logbxn = nlogbx. Help condensing logarithm expression. Here's the best way to solve it. Condense the expression to a single logarithm using the properties of logarithms. log (x) - 4 log (4) + 3 log (2) Enclose arguments of functions in parentheses and include a multiplication sign between terms. For example, c* log (h). sin (a) 17 TI log (x) - log () + 3 ...Condense each expression to a single logarithm. 13) log 3 − log 8 14) log 6 3 15) 4log 3 − 4log 8 16) log 2 + log 11 + log 7 17) log 7 − 2log 12 18) 2log 7 3 19) 6log 3 u + 6log 3 v 20) ln x − 4ln y 21) log 4 u − 6log 4 v 22) log 3 u − 5log 3 v 23) 20 log 6 u + 5log 6 v 24) 4log 3 u − 20 log 3 v Critical thinking questions:The logarithm function is defined only for positive numbers. In other words, whenever we write log a (b), we require b to be positive. Whatever the base, the logarithm of 1 is equal to 0. After all, whatever we raise to power 0, we get 1. Logarithms are extremely important. And we mean EXTREMELY important. ….

Condense each expression to a single logarithm. 13) log log 14) log log 15) log log 16) log log 17) log x 18) log a 19) log a log b 20) log x 21) log x log y 22) log u log v 23) log x log y 24) log u log v log wUse properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. 5 ln (x-2)-9 ln x A. ln (5(x-2))/9x B. ln 45x(x-2) C. ln ((x-2)^5)/x^9 D. ln x^9(x-2)^5Condense logarithmic expressions using logarithm rules. Properties of Logarithms. Recall that the logarithmic and exponential functions "undo" each other. This means that logarithms have similar properties to exponents. Some important properties of logarithms are given here. First, the following properties are easy to prove.f -1 ( f ( x )) = log b ( bx) = x. Natural logarithm (ln) Natural logarithm is a logarithm to the base e: ln ( x) = log e ( x) When e constant is the number: or. See: Natural logarithm. Inverse logarithm calculation. The inverse logarithm (or anti logarithm) is calculated by raising the base b to the logarithm y:Question: Question 3: (4 points) Condense the expression to a single logarithm using the properties of logarithms. log(x)−12log(y)+3log(z) Enclose arguments of functions in parentheses and include a multiplication sign between terms.To evaluate logarithmic expressions, methods for condensing logarithms in order to rewrite multiple logarithmic terms into one can be used. it is a useful tool for the simplification of logarithmic terms. To condense logarithms we use the rules of logarithms: the product rule, the quotient rule and the power rule. According to the product laws ...Question 248775: Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm. Where possible, evaluate logarithmic expressions. 7 In x + In y Answer by dabanfield(803) (Show Source): You can put this solution on YOUR website!Question: Condense the expression into the logarithm of a single quantity. (Assume x>9.) 9[7ln(x)−ln(x+9)−ln(x−9)] Step 1 Recall the Power Property of logarithms which states that if a is a positive number and n is a real number such that a =1 and if u is a positive real number, then loga(un)=nloga(u) Rewrite a portion of this expression using this property.Use properties of logarithms to condense the logarithmic expression below. write the expression as a single logarithm whose coefficient is 1. where possible, evaluate logarithmic expressions. 2In x-4Iny 2 ln x-4 In y= 6. Use properties of logarithms to condense the logarithmic expression below. write the expression as a single logarithm …Also, to add, substract or multiply logarithms, head to Condense Logarithms Calculator, and if you want to learn more about logarithms with base 2, you can see our Log Base 2 Calculator. Take a look other related calculators, such as: Phase shift calculator; 30 60 90 triangle calculator; 45 45 90 triangle calculator; Condense the logarithm, Use the properties of logarithms to condense the following expression into a single logarithm. log(a) - 1/2 log (b) + 4 log(c) Use properties of logarithms to condense the logarithmic expression. log y + 14 log z; Use the properties of Logarithms to express the following log expression as a single logarithm., Condensation is a common problem faced by homeowners and businesses alike. It occurs when warm air comes into contact with a cold surface, leading to the formation of water droplet..., Feb 11, 2015 ... Condense a log expression with natural logs using properties of logs ; Confidence Interval: +/- to inequality · 9.7K views ; Lesson 8 Problem 19 ..., Explanation: To condense the logarithm y log c - 8 log r, first understand that the properties of logarithms can be used to simplify the expression. Using the power rule of logarithms, which states that , we can rewrite the expression as: The next step is to apply the quotient rule of logarithms, which says that the difference of two logs with ..., Step 1. Simplify each term. Condense the expression to a single logarithm using the properties of logarithms. log(x)− 21log(y)+3log(z) Enclose arguments of functions in parentheses and include a multiplication sign between terms. For example, c∗log(h)., To condense logarithmic expressions mean... 👉 Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it., To condense logarithmic expressions mean... 👉 Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it., The difference of two logarithms of equal base b b is equal to the logarithm of the quotient: \log_b (x)-\log_b (y)=\log_b\left (\frac {x} {y}\right) logb(x)−logb(y)= logb (yx) Divide 18 18 by 3 3. Condensing Logarithms Calculator online with solution and steps., Example 10: Condensing Complex Logarithmic Expressions. Condense {\mathrm {log}}_ {2}\left ( {x}^ {2}\right)+\frac {1} {2} {\mathrm {log}}_ {2}\left (x - 1\right)-3 {\mathrm {log}}_ {2}\left ( {\left (x+3\right)}^ {2}\right) log2 (x2)+ 21log2 (x −1)−3log2 ((x+ 3)2)., Q: Condense the expression to the logarithm of a single quantity. 4 log (x) log4(y) - 3 log4(z) A: Given query is to compress the logarithmic expression., Question 671340: use properties of logarithms to condense the logarithmic expression below 3 ln X+2 ln Y-5Ln z write the expession as a single logarithm whose coefficient is 1. Where possible evaluate logarithmic expressions Answer by solver91311(24713) (Show Source):, Also, to add, substract or multiply logarithms, head to Condense Logarithms Calculator, and if you want to learn more about logarithms with base 2, you can see our Log Base 2 Calculator. Take a look other related calculators, such as: Phase shift calculator; 30 60 90 triangle calculator; 45 45 90 triangle calculator;, Depends how far you want to take things but as a single logarithm it becomes ln((x^3(x-1))/(x+1))^2 Multiples of logarithms become powers: 2(3ln(x)-ln(x+1)-ln(x-1)) 2(ln(x^3)-ln(x+1)-ln(x-1)) Subtracting logarithms is equivalent to dividing their arguments: 2(ln((x^3)/(x+1))-ln(x-1)) Now divide again: 2ln(x^3/((x+1)(x-1))) Tidy this up to give: 2ln((x^3)/(x^2-1)) You can apply the power law ..., Use properties of logarithms to condense the logarithmic expression 8 ln (x + 9) - 4 ln x. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions without using a calculator. Trending now This is a popular solution!, Condense the expression to the logarithm of a single quantity. \ln3+ \frac{1}{3}\ln(4-x^2)-\ln x; Condense the expression to the logarithm of a single quantity. 1 / 4 log_3 5 x; Condense the expression to the logarithm of a single quantity. (1/3)log_8(x + 4) + 3log_8(y). Condense the expression to the logarithm of a single quantity. log_2 9 ..., Use the properties of logarithms to condense the expression. ln (x) - 9 ln (x + 5) Use the properties of logarithms to expand each logarithmic expression. log_2 (\frac{(x^5)}{(y^3 z^4)} ) Use properties of logarithms to condense the logarithms to write the expression as a single logarithm. 4lnx - 6lny, When evaluating logarithmic equations, we can use methods for condensing logarithms in order to rewrite multiple logarithmic terms into one. Condensing logarithms can be a useful tool for the simplification of logarithmic terms. When condensing logarithms we use the rules of logarithms, including the product rule, the quotient rule and the ..., Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. (21n (x + 3)-In x-ln(X-36)] 1[2 ln (x + 3)-In x-In (x2-36)- 512I(k+3)-Inx-In (36)0 (Type an exact answer, using radicals as needed. Type your answer in factored ..., F: Condense Logarithms. Exercise \(\PageIndex{F}\) \( \bigstar \) For the following exercises, condense each expression to a single logarithm with a coefficient \(1\) using the properties of logarithms., We will learn later how to change the base of any logarithm before condensing. How To: Given a sum, difference, or product of logarithms with the same base, write an equivalent expression as a single logarithm. Apply the power property first. Identify terms that are products of factors and a logarithm, and rewrite each as the logarithm of a power., Sep 25, 2013 ... Learn how to condense/expand logarithmic expressions. A logarithmic expression is an expression having logarithms in it., For our purposes in this section, condensing a multiple of a logarithm means writing it as another single logarithm. Let's use the power rule to condense 4 log 5 ⁡ ( 2 ) ‍ , When we condense a logarithmic expression using the power rule, we make any multipliers into powers., Condense logarithmic expressions using logarithm rules. Properties of Logarithms. Recall that the logarithmic and exponential functions “undo” each other. This means that logarithms have similar properties to exponents. Some important properties of logarithms are given here. First, the following properties are easy to prove., Oct 6, 2021 · The product property of the logarithm allows us to write a product as a sum: logb(xy) = logbx + logby. The quotient property of the logarithm allows us to write a quotient as a difference: logb(x y) = logbx − logby. The power property of the logarithm allows us to write exponents as coefficients: logbxn = nlogbx. , LOGARITHMS MATH LIB! Objective: To practice using the product property, quotient property, and power property in order to expand and condense logarithms. This activity was created for an Algebra 2 level class. Activity Directions: Print and post the ten stations around the room. Give each student, Question: Condense the expression to a single logarithm with a leading coefficient of 1 using the properties of logarithms. 8 log (x) + 2 log (x + 9. Here's the best way to solve it., Find step-by-step Algebra 2 solutions and your answer to the following textbook question: Condense the expression to the logarithm of a single quantity. $\frac{1}{2} \ln (2 x-1)-2 \ln (x+1)$., The logarithm of a number to a given base is essentially the exponent to which the base must be raised to obtain that number. To condense the logarithm logd + zlogg, we can use logarithmic properties to simplify the expression. First, we can rewrite the logarithm using the product rule: logd + zlogg = logd + logg^z. Then, we can combine the ..., Condense the expression to the logarithm of a single quantity. 5\;\textrm{ln}(x-2)-\textrm{ln}(x+2)-3\;\textrm{ln}x; Condense the expression to the logarithm of a single quantity. log_2 9 + log_2 x; Condense the expression to the logarithm of a single quantity. - 4 log_6 2x; Condense the expression to the logarithm of a single quantity. 4\ln x ..., Condense the expression to a single logarithm using the properties of logarithms. Log in Sign up. Find A Tutor . Search For Tutors. Request A Tutor. Online Tutoring. How It Works . For Students. FAQ. ... First, let's use the log power rule for the last two terms: log(x) - log(y 1/2) + log(z 7), Use properties of logarithms to condense the logarithmic expression, 1/2ln x - ln y. Write the expression as a single logarithm whose coefficient is 1. Problem 10.69TI: Use the Properties of Logarithms to condense the logarithm log25+log2xlog2y. Simplify, if …, Type each expression as a product or quotient of logs. Condense and simplify the logarithm into a single logarithm as much as possible. When typing your answer do not put any spaces between the characters and use parentheses () with your logarithm. For example, log ( x) has parentheses on each side of the x. ln ( 8 x) - ln ( 2 x) , Learning Objectives. Expand a logarithm using a combination of logarithm rules. Condense a logarithmic expression into one logarithm. Taken together, the product rule, quotient rule, and power rule are often called "laws of logs." Sometimes we apply more than one rule in order to simplify an expression. For example: